Bug 903115: Many context-menu tests timeout on tinderbox. r=jsantell

addon-sdk/source/test/test-context-menu.js

@@ -3144,9 +3144,7 @@ exports.testSelectionInOuterFrameNoMatch = function (test) {
 // WARNING: This looks up items in popups by comparing labels, so don't give two
 // items the same label.
 function TestHelper(test) {
-  // default waitUntilDone timeout is 10s, which is too short on the win7
-  // buildslave
-  test.waitUntilDone(30*1000);
+  test.waitUntilDone();
   this.test = test;
   this.loaders = [];
   this.browserWindow = Cc["@mozilla.org/appshell/window-mediator;1"].